A topographical study of leukemia in man and cattle in Denmark.
D000367:Age Factors; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D003718:Denmark; D004777:Environment; D006801:Humans; D007938:Leukemia / Q000453:epidemiology* / Q000662:veterinary; D008223:Lymphoma / Q000453:epidemiology*; D012737:Sex Factors